A Single-Center Clinical Study on the Efficacy and Safety of VISOR
Recruiting
N/A
Interventional Study
Urolithiasis, Calcium Oxalate
Kidney Stone
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
At a Glance
- Age
- 18 – 80
- Sex
- Any
- Study type
- Interventional
- Purpose
- Treatment
- Participants needed
- 20 (estimated)
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine · Other
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About This Trial
Goal of this trial:
To test a new tool called VISOR in adults (aged 18-80) with 1-3 cm kidney or ureter stones. We want to see:
1. If it's safe and works well
2. If its built-in features (flushing/suction, pressure control, and stone-breaking/removal) help clear stones better while keeping surgery safe.
Main questions:
1. Can the VISOR clear stones successfully (with fragments \<4 mm left) for…
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
1. Patients with upper urinary tract calculi, where the maximum diameter of a single calculus or the cumulative diameter of multiple calculi is 1-3 cm
2. Patients who choose to undergo "flexible ureteroscopic holmium laser lithotripsy"
3. Aged 18-80 years, regardless of gender
4…
Contacts